Home / 15,922.74-21,983.22-10,259.49

Finding the Fourth Proportional to 15,922.74, 21,983.22 and 10,259.49

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Solution

The fourth proportional to 15,922.74, 21,983.22 and 10,259.49 is: 14,164.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.74 : 21,983.22 = 10,259.49 : x
  2. Step 2: Convert to fraction form
    15,922.74/21,983.22 = 10,259.49/x
  3. Step 3: Cross multiply
    15,922.74x = 21,983.22 × 10,259.49
  4. Step 4: Simplify right side
    15,922.74x = 225,536,625.76
  5. Step 5: Solve for x
    x = 225,536,625.76/15,922.74
  6. Step 6: Final answer
    x = 14,164.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.